British Encyclopedia: Or, Dictionary of Arts and Sciences, Comprising an Accurate and Popular View of the Present Improved State of Human Knowledge, Volume 11Mitchell, Ames, and White, 1821 - Natural history |
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... fixed and steady attention is the principal qualifica- tion for this study , and that the blind are , by necessity , more abstracted than others , ( for which reason , it is said , that Demo- critus put out his eyes , that he might ...
... fixed and steady attention is the principal qualifica- tion for this study , and that the blind are , by necessity , more abstracted than others , ( for which reason , it is said , that Demo- critus put out his eyes , that he might ...
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... fixed in a whetting block . After they have been filed , the teeth are set , that is , turned out of the right line , that they may make the fissure the wider , that the back may fol- low the better . The teeth are always set ranker for ...
... fixed in a whetting block . After they have been filed , the teeth are set , that is , turned out of the right line , that they may make the fissure the wider , that the back may fol- low the better . The teeth are always set ranker for ...
Page 1
... fix- ed on this shaft , and turns a pinion on another horizontal shaft , on which the wheel A , ( fig . 1. ) is fixed ; this wheel is in the room over the machine , and the bearings for the gudgeons of the shaft are supported on the ...
... fix- ed on this shaft , and turns a pinion on another horizontal shaft , on which the wheel A , ( fig . 1. ) is fixed ; this wheel is in the room over the machine , and the bearings for the gudgeons of the shaft are supported on the ...
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... in the middle , so as to turn back , as shown in fig . 5 , and is kept shut by a small spring catch : a a ( fig . 1. ) is a small brass shell , fixed along one side of the box , at about one half of its depth from the bottom ; it SCO SCO.
... in the middle , so as to turn back , as shown in fig . 5 , and is kept shut by a small spring catch : a a ( fig . 1. ) is a small brass shell , fixed along one side of the box , at about one half of its depth from the bottom ; it SCO SCO.
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... fix- ed ; it is turned round by a click , k , ( fig . 4. ) jointed to a small lever , 7 , which is thrown up by a spring , m : n ( fig . 1. ) is a piece of brass plate screwed to the side of the box : it is shown separately in fig . 3 ...
... fix- ed ; it is turned round by a click , k , ( fig . 4. ) jointed to a small lever , 7 , which is thrown up by a spring , m : n ( fig . 1. ) is a piece of brass plate screwed to the side of the box : it is shown separately in fig . 3 ...
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Common terms and phrases
abaft aft side aft-side animal appear birds bivalve body plan bone botany called calyx cavity centre circle class and order colour columella common consists corolla crystals curve deck diameter distance divided draw drawn drupe earth edge equal Essential character feet 6 inches fore side genus half breadth plan heat height hence hinge inches Jussieu keel kind Lamarck latter length Linnĉus lower means ment middle line Monogynia class motion multivalve native Natural order nearly neral observed opening pain parallel perpendicular person piece plants Plate pounds produced quantity racter round salt seeds sensation sheer plan shell ship silica silk silver sometimes sophism species specific gravity square stars stone substance sulphuric acid surd surface teeth thick timber tion transom Triandria ture univalve upper side urethra valves vessel wound
Popular passages
Page 1 - I scarce could turn to fall upon the ground, with my head to the northward, when I felt the heat of its current plainly upon my face. We all lay flat on the ground, as if dead, till Idris told us it was blown over. The meteor, or purple haze, which I saw, was indeed passed, but the light air that still blew was of heat to threaten suffocation.
Page 5 - Of the nature of those changes which take place in the Digestion of Food. Of the Chemical Principles of the process of Tanning Leather; and of the objects that must particularly be had in view in attempts to improve that most useful art. Of the Chemical Principles of the art of making Soap ; of the art of Bleaching; of the art of Dyeing; and in general of all the Mechanical Arts, as they apply to the various branches of manufacture.
Page 25 - Hence too it follows, that the infamous and unchristian practice of withholding baptism from negro servants, lest they should thereby gain their liberty, is totally without foundation, as well as without excuse. The lĞw of England acts upon general and extensive principles : it gives liberty, rightly understood, that is, protection, to a Jew, a Turk, or a Heathen...
Page 11 - It is very probable that the great stratum called the milky way, is that in which the sun is placed, though perhaps not in the very centre of its thickness.
Page 3 - The distance between two points on the surface of a sphere is the length of the minor arc of a great circle between them.
Page 19 - To this head may also be referred the practice of what is called a set-off: whereby the defendant acknowledges the justice of the plaintiff's demand on the one hand, but on the other sets up a demand of his own, to counterbalance that of the plaintiff, either in the whole or in part...